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| Number | Title | Issue Date |
| 4445217 | Laser apparatus and method A laser cooling system has a coolant formulated to act as a heat exchanger and a transparent optical medium of matching refractive index between the flashlamp, silver reflectors and laser rod. The coolant has one or more fluorescent dyes and an inorganic ... | 04/24/1984 |
| 4403323 | Optical transistor A device which uses a light signal to control the amplification of light is disclosed. Optically active ions in a laser material are pumped to an intermediate energy state by light of a first frequency, and thereafter pumped from the intermediate energy s... | 09/06/1983 |
| 4371965 | High neodymium content aluminophosphate glass and laser Miniature lasers comprise a high neodymium content aluminophosphate glass composition as the active lasing medium, disposed in an optical cavity defined by a first totally reflective mirror and a second partially transmissive mirror, and an optical pumpin... | 02/01/1983 |
| 4355893 | Eye-safe laser cloud height rangefinder An eye-safe laser cloud height rangefinder comprising an Er:LiYF4 laser operating at 1.73 μm and a germanium detector.... | 10/26/1982 |
| 4345177 | Light fibers made from components of a type II eutectic system A directionally solidified, optically conductive eutectic system and method of forming the same. A Type II eutectic which divides into fiber and matrix phases when directionally solidified consists of a fiber phase having a lesser molecular weight but hig... | 08/17/1982 |
| 4281294 | Direct solar pumped laser A direct solar pumped laser operates on emission from the phosphorescent T1 .fwdarw.So transition of a suitable dye molecule used in liquid or solid solution. The first excited singlet electronic state S1 is excited from t... | 07/28/1981 |
| 4270095 | Cycloid-scanning laser pumping method and apparatus A dye laser is disclosed wherein a plastic disk containing laser dye is moved within a cylindrical race relative to a stationary pumping laser beam such that the pumping beam effectively scans the surface of the laser disk along a cycloidal path as the di... | 05/26/1981 |
| 4264381 | Fabrication of injection lasers utilizing a porous host diffusion layer Porous silica doped with zinc is used as a p-type dopant source in the construction of rib lasers. Other modifications include allowing the zinc diffusion to go right through the active layer and to dimension the device so that lateral optical guidance is... | 04/28/1981 |
| 4225459 | Glasses having a low non-linear refractive index for laser applications Glass composition ranges are described which permit the introduction of laser activators into fluorphosphate glass with exceptionally high fluorine content while forming glasses of high crystallization stability and permitting the realization of large mel... | 09/30/1980 |
| 4217382 | Edge-cladding glass of disc laser glass A glass for edge-cladding a disc laser glass, comprising, in mol%, followed in parentheses by wt % value,... | 08/12/1980 |
| 4142986 | Glasses suitable for laser application Disclosed are phosphorus glasses containing beryllium and fluorine and Nd3+ as the active lasing species.... | 03/06/1979 |
| 4124524 | Neodymium ultraphosphates and process for their preparation Neodymium ultraphosphates having the formula wherein Me represents scandium, gallium, yttrium, indium, lanthanum, cerium, gadolinium, lutetium, thallium and/or uranium, and x is a number between 0 and 0.999, in the form of untwinned crystals, are prepared by ... | 11/07/1978 |
| 4120814 | Fluorophosphate-base laser glasses A fluorophosphate-base laser glass having a low non-linear refractive index coefficient and a low liquid phase temperature and comprising a glass composed of 5 to 25% 1/2P2 O5 and the remainder of metal fluorides and 0.01 to 3% 1/2Nd... | 10/17/1978 |
| 4076541 | Glasses suitable for laser application, glass lasers, and method for making same Disclosed are phosphate glasses containing BaO, K2 O, Al2 O3 and Nd2 O3 and containing only very low amounts of water and a method of making such glasses.... | 02/28/1978 |
| 4075120 | Laser phosphate glass compositions Laser phosphate glass compositions are provided by combining constituent elements at defined amounts to form compositions which provide a balance of properties to the glass, especially high gain and low n2.... | 02/21/1978 |
| 4044315 | Means for producing and amplifying optical energy 1. In a laser, a solid luminescent sensitive element of Fabrey-Perot optical regenerative configuration and consisting essentially of a clear glass activated with trivalent ytterbium ions.... | 08/23/1977 |
| 4037172 | Plastic laser materials A material exhibiting narrow line fluorescence when excited by high energy radiation, hence suitable for laser applications, is formed by dispersion of rare earth ions bonded to organic molecules in the form of an organometallic chelate, in solid solution... | 07/19/1977 |
| 4022707 | Athermal laser glass A neodymium-doped phosphate laser glass composition having a low threshold for stimulated emission, a negative temperature coefficient of refractive index, high acid resistence and homogeneity even in large structures comprises P2 O5... | 05/10/1977 |
| 4015217 | Means for producing and amplifying optical energy A laserable material with a host of non-gaseous, non-periodic atomic structure is provided. The host material is plastic and dispersed in solid solution within the plastic is a chelate of a rate earth metal. The material exhibits narrow-line fluorescence ... | 03/29/1977 |
| 3979322 | Phosphate glass for laser use Glass for laser use, comprising the oxides of the following elements having the following mol percentage composition: Wherein the ratio of the sum total of the oxides of mono-, bi- and trivalent metals to the phosphorus pentoxide exceeds unity.... | 09/07/1976 |
| 3978427 | Erbium laser device having non-masking laser rod holders The members which are utilized to hold and position a rod of erbium laser glass material within an imaging cavity are formed of a glass material which is transparent at the pumping wavelengths of the erbium ions and/or associated sensitizer ions in order ... | 08/31/1976 |
| 3975694 | Self Q-switched laser An improved self Q-switching Nd--UO2 -glass laser is provided in which a diffusing medium is included, either within the laser rod or externally thereof to increase the effective volume of the laser rod. Various diffusing means are disclosed in... | 08/17/1976 |
| 3931591 | Q-switching device for glass lasers An improved Q-switched neodymium laser in which uranium as UO.sub.2.sup..sup.+2 and a uranium oxidizing agent such as cerium in a host body such as glass serve as either an external or an internal Q-switching device for the laser.... | 01/06/1976 |
| 3931590 | Q-Switching device for glass lasers An improved Q-switched neodymium laser in which uranium as UO.sub.2.sup.+.sup.2 and a uranium oxidizing agent such as cerium in a host body such as glass serve as either an external or an internal Q-switching device for the laser.... | 01/06/1976 |
